If a sample of 57 swimmers is taken from a population of 135 swimmers, the
population mean, u, is the mean of how many swimmers' times?
O
A. 135
B. Both 57 and 135
O C. Neither 57 nor 135
O D. 57

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?